Common Gate Output Voltage Calculator

✖Transconductance is defined as the ratio of the change in the output current to the change in the input voltage, with the gate-source voltage held constant.ⓘ Transconductance [g_m]			+10% -10%
✖Critical Voltage is the minimum phase to the neutral voltage which glows and appears all along the line conductor.ⓘ Critical Voltage [V_c]			+10% -10%
✖Load resistance is the external resistance connected between the drain terminal of the MOSFET and the power supply voltage.ⓘ Load Resistance [R_L]			+10% -10%
✖Gate Resistance is the resistance that occurs when a voltage is applied across a MOSFET gate and source. It is caused by the insulating layerthat separates the gate and source terminals.ⓘ Gate Resistance [R_gate]			+10% -10%

✖Output voltage is the electrical potential difference that is delivered to a load by a power supply and it plays a critical role in determining the performance and reliability of electronic systems.ⓘ Common Gate Output Voltage [V_out]

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Common Gate Output Voltage

Formula

`"V"_{"out"} = -("g"_{"m"}*"V"_{"c"})*(("R"_{"L"}*"R"_{"gate"})/("R"_{"gate"}+"R"_{"L"}))`

Example

`"-0.0022V"=-("0.5mS"*"0.284V")*(("0.28kΩ"*"16.4Ω")/("16.4Ω"+"0.28kΩ"))`

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Common Gate Output Voltage Solution

STEP 0: Pre-Calculation Summary

Formula Used

Output Voltage = -(Transconductance*Critical Voltage)*((Load Resistance*Gate Resistance)/(Gate Resistance+Load Resistance))
V_out = -(g_m*V_c)*((R_L*R_gate)/(R_gate+R_L))
This formula uses 5 Variables

Variables Used

Output Voltage - (Measured in Volt) - Output voltage is the electrical potential difference that is delivered to a load by a power supply and it plays a critical role in determining the performance and reliability of electronic systems.
Transconductance - (Measured in Siemens) - Transconductance is defined as the ratio of the change in the output current to the change in the input voltage, with the gate-source voltage held constant.
Critical Voltage - (Measured in Volt) - Critical Voltage is the minimum phase to the neutral voltage which glows and appears all along the line conductor.
Load Resistance - (Measured in Ohm) - Load resistance is the external resistance connected between the drain terminal of the MOSFET and the power supply voltage.
Gate Resistance - (Measured in Ohm) - Gate Resistance is the resistance that occurs when a voltage is applied across a MOSFET gate and source. It is caused by the insulating layerthat separates the gate and source terminals.

STEP 1: Convert Input(s) to Base Unit

Transconductance: 0.5 Millisiemens --> 0.0005 Siemens (Check conversion here)
Critical Voltage: 0.284 Volt --> 0.284 Volt No Conversion Required
Load Resistance: 0.28 Kilohm --> 280 Ohm (Check conversion here)
Gate Resistance: 16.4 Ohm --> 16.4 Ohm No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_out = -(g_m*V_c)*((R_L*R_gate)/(R_gate+R_L)) --> -(0.0005*0.284)*((280*16.4)/(16.4+280))

Evaluating ... ...

V_out = -0.00219994601889339

STEP 3: Convert Result to Output's Unit

-0.00219994601889339 Volt --> No Conversion Required

FINAL ANSWER

-0.00219994601889339 ≈ -0.0022 Volt <-- Output Voltage

(Calculation completed in 00.004 seconds)

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Home » Engineering » Electronics » MOSFET » Analog Electronics » Voltage » Common Gate Output Voltage

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Created by Ritwik Tripathi

Vellore Institute of Technology (VIT Vellore), Vellore

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Chandigarh University (CU), Punjab

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< 20 Voltage Calculators

Conductance of Channel of MOSFET using Gate to Source Voltage

Go Conductance of Channel = Mobility of Electrons at Surface of Channel*Oxide Capacitance*Channel Width/Channel Length*(Gate-Source Voltage-Threshold Voltage)

Common Gate Output Voltage

Go Output Voltage = -(Transconductance*Critical Voltage)*((Load Resistance*Gate Resistance)/(Gate Resistance+Load Resistance))

Output Voltage at Drain Q1 of MOSFET given Common-Mode Signal

Go Drain Voltage Q1 = -Output Resistance*(Transconductance*Common Mode Input Signal)/(1+(2*Transconductance*Output Resistance))

Voltage across Gate and Source of MOSFET on Operation with Differential Input Voltage

Go Gate-Source Voltage = Threshold Voltage+sqrt((2*DC Bias Current)/(Process Transconductance Parameter*Aspect Ratio))

Source Input Voltage

Go Source Input Voltage = Input Voltage*(Input Amplifier Resistance/(Input Amplifier Resistance+Equivalent Source Resistance))

Input Gate-to-Source Voltage

Go Critical Voltage = (Input Amplifier Resistance/(Input Amplifier Resistance+Equivalent Source Resistance))*Input Voltage

Output Voltage at Drain Q2 of MOSFET given Common-Mode Signal

Go Drain Voltage Q2 = -(Output Resistance/((1/Transconductance)+2*Output Resistance))*Common Mode Input Signal

Voltage across Gate and Source of MOSFET given Input Current

Go Gate-Source Voltage = Input Current/(Angular Frequency*(Source Gate Capacitance+Gate-Drain Capacitance))

Positive Voltage given Device Parameter in MOSFET

Go Input Current = Gate-Source Voltage*(Angular Frequency*(Source Gate Capacitance+Gate-Drain Capacitance))

Overdrive Voltage when MOSFET Acts as Amplifier with Load Resistance

Go Transconductance = Total Current/(Common Mode Input Signal-(2*Total Current*Output Resistance))

Incremental Voltage Signal of Differential Amplifier

Go Common Mode Input Signal = (Total Current/Transconductance)+(2*Total Current*Output Resistance)

Voltage at Drain Q1 of MOSFET

Go Output Voltage = -(Total Load Resistance of MOSFET/(2*Output Resistance))*Common Mode Input Signal

Voltage at Drain Q2 in MOSFET

Go Output Voltage = -(Total Load Resistance of MOSFET/(2*Output Resistance))*Common Mode Input Signal

Saturation Voltage of MOSFET

Go Drain and Source Saturation Voltage = Gate-Source Voltage-Threshold Voltage

Voltage across Gate to Source of MOSFET on Differential Input Voltage given Overdrive Voltage

Go Gate-Source Voltage = Threshold Voltage+1.4*Effective Voltage

Threshold Voltage when MOSFET Acts as Amplifier

Go Threshold Voltage = Gate-Source Voltage-Effective Voltage

Treshold Voltage of MOSFET

Go Threshold Voltage = Gate-Source Voltage-Effective Voltage

Overdrive Voltage

Go Overdrive Voltage = (2*Drain Current)/Transconductance

Output Voltage at Drain Q1 of MOSFET

Go Drain Voltage Q1 = -(Output Resistance*Total Current)

Output Voltage at Drain Q2 of MOSFET

Go Drain Voltage Q2 = -(Output Resistance*Total Current)

Common Gate Output Voltage Formula

Output Voltage = -(Transconductance*Critical Voltage)*((Load Resistance*Gate Resistance)/(Gate Resistance+Load Resistance))
V_out = -(g_m*V_c)*((R_L*R_gate)/(R_gate+R_L))

What is the application of Common Gate Output Voltage

Common Gate Output Voltage is crucial in understanding the behavior of a MOSFET. It represents the voltage at the drain-source terminal of the MOSFET when it is in its on-state.It refers to the voltage level at the output terminal of a common gate amplifier. The common gate configuration is commonly used for impedance matching and signal amplification purposes. It is often found in RF (Radio Frequency) applications.

How to Calculate Common Gate Output Voltage?

Common Gate Output Voltage calculator uses Output Voltage = -(Transconductance*Critical Voltage)*((Load Resistance*Gate Resistance)/(Gate Resistance+Load Resistance)) to calculate the Output Voltage, The Common Gate Output Voltage formula is defined as the voltage output from a logic gate when the input signals are at their threshold levels. It is the voltage level at which the gate will produce an output signal, regardless of the input signals. Output Voltage is denoted by V_out symbol.

How to calculate Common Gate Output Voltage using this online calculator? To use this online calculator for Common Gate Output Voltage, enter Transconductance (g_m), Critical Voltage (V_c), Load Resistance (R_L) & Gate Resistance (R_gate) and hit the calculate button. Here is how the Common Gate Output Voltage calculation can be explained with given input values -> -0.021744 = -(0.0005*0.284)*((280*16.4)/(16.4+280)).

FAQ

What is Common Gate Output Voltage?

The Common Gate Output Voltage formula is defined as the voltage output from a logic gate when the input signals are at their threshold levels. It is the voltage level at which the gate will produce an output signal, regardless of the input signals and is represented as V_out = -(g_m*V_c)*((R_L*R_gate)/(R_gate+R_L)) or Output Voltage = -(Transconductance*Critical Voltage)*((Load Resistance*Gate Resistance)/(Gate Resistance+Load Resistance)). Transconductance is defined as the ratio of the change in the output current to the change in the input voltage, with the gate-source voltage held constant, Critical Voltage is the minimum phase to the neutral voltage which glows and appears all along the line conductor, Load resistance is the external resistance connected between the drain terminal of the MOSFET and the power supply voltage & Gate Resistance is the resistance that occurs when a voltage is applied across a MOSFET gate and source. It is caused by the insulating layerthat separates the gate and source terminals.

How to calculate Common Gate Output Voltage?

The Common Gate Output Voltage formula is defined as the voltage output from a logic gate when the input signals are at their threshold levels. It is the voltage level at which the gate will produce an output signal, regardless of the input signals is calculated using Output Voltage = -(Transconductance*Critical Voltage)*((Load Resistance*Gate Resistance)/(Gate Resistance+Load Resistance)). To calculate Common Gate Output Voltage, you need Transconductance (g_m), Critical Voltage (V_c), Load Resistance (R_L) & Gate Resistance (R_gate). With our tool, you need to enter the respective value for Transconductance, Critical Voltage, Load Resistance & Gate Resistance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Output Voltage?

In this formula, Output Voltage uses Transconductance, Critical Voltage, Load Resistance & Gate Resistance. We can use 2 other way(s) to calculate the same, which is/are as follows -

Output Voltage = -(Total Load Resistance of MOSFET/(2*Output Resistance))*Common Mode Input Signal
Output Voltage = -(Total Load Resistance of MOSFET/(2*Output Resistance))*Common Mode Input Signal

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